From mboxrd@z Thu Jan 1 00:00:00 1970 From: Rong Chen Subject: Re: [LKP] [x86/pci] 7ffb31888c: PANIC:early_exception Date: Thu, 20 Sep 2018 08:26:30 +0800 Message-ID: References: <20180919031923.GC8820@shao2-debian> <4f5166f8-97b8-a58f-3e5d-19d1751a4601@hygon.cn> Mime-Version: 1.0 Content-Type: text/plain; charset=windows-1252; format=flowed Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <4f5166f8-97b8-a58f-3e5d-19d1751a4601@hygon.cn> Content-Language: en-US Sender: linux-kernel-owner@vger.kernel.org To: Pu Wen Cc: bp@alien8.de, tglx@linutronix.de, mingo@redhat.com, hpa@zytor.com, x86@kernel.org, thomas.lendacky@amd.com, helgaas@kernel.org, linux-kernel@vger.kernel.org, linux-arch@vger.kernel.org, linux-pci@vger.kernel.org, lkp@01.org List-Id: linux-arch.vger.kernel.org On 09/19/2018 09:53 PM, Pu Wen wrote: > On 2018/9/19 11:19, kernel test robot wrote: >> [ 0.800215] AGP: No AGP bridge found >> PANIC: early exception 0xe3 IP 10:ffffffff8294623f error 0 cr2 0x0 >> [ 0.815262] CPU: 0 PID: 0 Comm: swapper Not tainted 4.19.0-rc2-00018-g7ffb318 #1 >> [ 0.826860] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.10.2-1 04/01/2014 >> [ 0.839894] RIP: 0010:early_is_amd_nb+0x30/0x4b >> [ 0.846986] Code: 15 07 3e c8 ff 0f b7 cf 48 c7 c0 c0 6a 01 82 80 fa 02 74 13 80 fa 09 48 c7 c0 20 69 01 82 ba 00 00 00 00 48 0f 45 c2 c1 ef 10 <8b> 10 85 d2 74 0f 39 ca 75 05 39 78 04 74 09 48 83 c0 20 eb eb 31 >> [ 0.876321] RSP: 0000:ffffffff82403e38 EFLAGS: 00010017 ORIG_RAX: 0000000000000000 >> [ 0.888131] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 000000000000ffff >> [ 0.899187] RDX: 0000000000000000 RSI: 000000000000c000 RDI: 000000000000ffff >> [ 0.910233] RBP: 0000000000000018 R08: 0000000000000002 R09: 0000000000000000 >> [ 0.921388] R10: ffffffff829ecc40 R11: ffffffff82aeed87 R12: 0000000000000000 >> [ 0.932476] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 >> [ 0.943658] FS: 0000000000000000(0000) GS:ffffffff82909000(0000) knlGS:0000000000000000 >> [ 0.956271] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 >> [ 0.965216] CR2: 0000000000000000 CR3: 00000000029a2000 CR4: 00000000000006a0 >> [ 0.976358] Call Trace: >> [ 0.980238] ? early_gart_iommu_check+0xef/0x2c5 >> [ 0.987493] ? setup_arch+0x4fa/0xc67 >> [ 0.993231] ? printk+0x52/0x6e >> [ 0.998157] ? start_kernel+0x6e/0x4dc >> [ 1.004044] ? load_ucode_bsp+0x42/0x12e >> [ 1.010145] ? secondary_startup_64+0xa4/0xb0 >> BUG: kernel hang in boot stage >> >> Elapsed time: 700 >> >> #!/bin/bash >> >> >> >> To reproduce: >> >> git clone https://github.com/intel/lkp-tests.git >> cd lkp-tests >> bin/lkp qemu -k job-script # job-script is attached in this email > I cannot reproduce this panic on Hygon Dhyana platform. I tired lkp-tests > both in Ubuntu 16.04 (with gcc-5) and Ubuntu 18.04 (with gcc-7). > What kind of host do you use to run the qemu? A Intel one or AMD one? It's a Intel one, model: Nehalem-EX memory: 224G nr_node: 4 nr_cpu: 64 nr_socket: 4 brand: Intel(R) Xeon(R) CPU X7560 @ 2.27GHz Best Regards, Rong Chen From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mga17.intel.com ([192.55.52.151]:53273 "EHLO mga17.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725914AbeITGIz (ORCPT ); Thu, 20 Sep 2018 02:08:55 -0400 Subject: Re: [LKP] [x86/pci] 7ffb31888c: PANIC:early_exception References: <20180919031923.GC8820@shao2-debian> <4f5166f8-97b8-a58f-3e5d-19d1751a4601@hygon.cn> From: Rong Chen Message-ID: Date: Thu, 20 Sep 2018 08:26:30 +0800 MIME-Version: 1.0 In-Reply-To: <4f5166f8-97b8-a58f-3e5d-19d1751a4601@hygon.cn> Content-Type: text/plain; charset=windows-1252; format=flowed Content-Transfer-Encoding: 7bit Content-Language: en-US Sender: linux-arch-owner@vger.kernel.org List-ID: To: Pu Wen Cc: bp@alien8.de, tglx@linutronix.de, mingo@redhat.com, hpa@zytor.com, x86@kernel.org, thomas.lendacky@amd.com, helgaas@kernel.org, linux-kernel@vger.kernel.org, linux-arch@vger.kernel.org, linux-pci@vger.kernel.org, lkp@01.org Message-ID: <20180920002630.V-DT9lU829kRPs_-7ozb1u2-RrHN0xDzpQjjxUHjnCk@z> On 09/19/2018 09:53 PM, Pu Wen wrote: > On 2018/9/19 11:19, kernel test robot wrote: >> [ 0.800215] AGP: No AGP bridge found >> PANIC: early exception 0xe3 IP 10:ffffffff8294623f error 0 cr2 0x0 >> [ 0.815262] CPU: 0 PID: 0 Comm: swapper Not tainted 4.19.0-rc2-00018-g7ffb318 #1 >> [ 0.826860] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.10.2-1 04/01/2014 >> [ 0.839894] RIP: 0010:early_is_amd_nb+0x30/0x4b >> [ 0.846986] Code: 15 07 3e c8 ff 0f b7 cf 48 c7 c0 c0 6a 01 82 80 fa 02 74 13 80 fa 09 48 c7 c0 20 69 01 82 ba 00 00 00 00 48 0f 45 c2 c1 ef 10 <8b> 10 85 d2 74 0f 39 ca 75 05 39 78 04 74 09 48 83 c0 20 eb eb 31 >> [ 0.876321] RSP: 0000:ffffffff82403e38 EFLAGS: 00010017 ORIG_RAX: 0000000000000000 >> [ 0.888131] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 000000000000ffff >> [ 0.899187] RDX: 0000000000000000 RSI: 000000000000c000 RDI: 000000000000ffff >> [ 0.910233] RBP: 0000000000000018 R08: 0000000000000002 R09: 0000000000000000 >> [ 0.921388] R10: ffffffff829ecc40 R11: ffffffff82aeed87 R12: 0000000000000000 >> [ 0.932476] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 >> [ 0.943658] FS: 0000000000000000(0000) GS:ffffffff82909000(0000) knlGS:0000000000000000 >> [ 0.956271] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 >> [ 0.965216] CR2: 0000000000000000 CR3: 00000000029a2000 CR4: 00000000000006a0 >> [ 0.976358] Call Trace: >> [ 0.980238] ? early_gart_iommu_check+0xef/0x2c5 >> [ 0.987493] ? setup_arch+0x4fa/0xc67 >> [ 0.993231] ? printk+0x52/0x6e >> [ 0.998157] ? start_kernel+0x6e/0x4dc >> [ 1.004044] ? load_ucode_bsp+0x42/0x12e >> [ 1.010145] ? secondary_startup_64+0xa4/0xb0 >> BUG: kernel hang in boot stage >> >> Elapsed time: 700 >> >> #!/bin/bash >> >> >> >> To reproduce: >> >> git clone https://github.com/intel/lkp-tests.git >> cd lkp-tests >> bin/lkp qemu -k job-script # job-script is attached in this email > I cannot reproduce this panic on Hygon Dhyana platform. I tired lkp-tests > both in Ubuntu 16.04 (with gcc-5) and Ubuntu 18.04 (with gcc-7). > What kind of host do you use to run the qemu? A Intel one or AMD one? It's a Intel one, model: Nehalem-EX memory: 224G nr_node: 4 nr_cpu: 64 nr_socket: 4 brand: Intel(R) Xeon(R) CPU X7560 @ 2.27GHz Best Regards, Rong Chen